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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Html\Html; |
| 4 | use Wikimedia\Rdbms\IDatabase; |
| 5 | use Wikimedia\Rdbms\IResultWrapper; |
| 6 | |
| 7 | /** |
| 8 | * A pager for viewing lists of CentralNotice campaigns. Optionally allows |
| 9 | * modification of some campaign properties. It is expected that this will only |
| 10 | * be included on special pages that are subclasses of CentralNotice. |
| 11 | * |
| 12 | * This class is a reorganization of code formerly in |
| 13 | * CentralNotice::listNotices(). |
| 14 | */ |
| 15 | class CNCampaignPager extends TablePager { |
| 16 | |
| 17 | // For now, we want to make this display without paging on |
| 18 | // meta.wikimedia.org, in line with the functionality that users currently |
| 19 | // encounter. |
| 20 | // This should be enough--Meta has less than 500 campaigns. |
| 21 | private const DEFAULT_LIMIT = 5000; |
| 22 | |
| 23 | /** @var CentralNotice */ |
| 24 | private $onSpecialCN; |
| 25 | /** @var string|false */ |
| 26 | private $editable; |
| 27 | /** @var int|null */ |
| 28 | private $assignedBannerId; |
| 29 | /** @var bool|null */ |
| 30 | private $showArchived; |
| 31 | /** @var string[]|null */ |
| 32 | private $fieldNames = null; |
| 33 | |
| 34 | /** |
| 35 | * @param CentralNotice $onSpecialCN The CentralNotice special page we're on |
| 36 | * @param string|false $editable Whether or not to make the list editable |
| 37 | * @param int|null $assignedBannerId Set this to show only the campaigns |
| 38 | * associated with this banner id. |
| 39 | * @param bool|null $showArchived Set true to only show archived campaigns, |
| 40 | * false to only show unarchived campaigns |
| 41 | */ |
| 42 | public function __construct( CentralNotice $onSpecialCN, |
| 43 | $editable = false, $assignedBannerId = null, $showArchived = null |
| 44 | ) { |
| 45 | $this->onSpecialCN = $onSpecialCN; |
| 46 | $this->assignedBannerId = $assignedBannerId; |
| 47 | $this->editable = $editable; |
| 48 | $this->showArchived = $showArchived; |
| 49 | |
| 50 | parent::__construct( $onSpecialCN->getContext() ); |
| 51 | |
| 52 | $req = $onSpecialCN->getRequest(); |
| 53 | |
| 54 | // The 'limit' request param is used by the pager superclass. |
| 55 | // If it's absent, we'll set the limit to our own default. |
| 56 | $this->setLimit( |
| 57 | $req->getVal( 'limit', null ) ?: |
| 58 | self::DEFAULT_LIMIT ); |
| 59 | |
| 60 | // If the request doesn't an order by value, set descending order. |
| 61 | // This makes our order-by-id compatible with the previous default |
| 62 | // ordering in the UI. |
| 63 | if ( !$req->getVal( 'sort', null ) ) { |
| 64 | $this->mDefaultDirection = true; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @inheritDoc |
| 70 | */ |
| 71 | public function getQueryInfo() { |
| 72 | $pagerQuery = [ |
| 73 | 'tables' => [ |
| 74 | 'notices' => 'cn_notices', |
| 75 | ], |
| 76 | 'fields' => [ |
| 77 | 'notices.not_id', |
| 78 | 'not_name', |
| 79 | 'not_type', |
| 80 | 'not_start', |
| 81 | 'not_end', |
| 82 | 'not_enabled', |
| 83 | 'not_preferred', |
| 84 | 'not_throttle', |
| 85 | 'not_geo', |
| 86 | 'not_locked', |
| 87 | 'not_archived', |
| 88 | $this->getDatabase()->buildGroupConcatField( |
| 89 | ',', |
| 90 | 'cn_notice_countries', |
| 91 | 'nc_country', |
| 92 | 'nc_notice_id = notices.not_id' |
| 93 | ) . ' AS countries', |
| 94 | $this->getDatabase()->buildGroupConcatField( |
| 95 | ',', |
| 96 | 'cn_notice_regions', |
| 97 | 'nr_region', |
| 98 | 'nr_notice_id = notices.not_id' |
| 99 | ) . ' AS regions', |
| 100 | $this->getDatabase()->buildGroupConcatField( |
| 101 | ',', |
| 102 | 'cn_notice_languages', |
| 103 | 'nl_language', |
| 104 | 'nl_notice_id = notices.not_id' |
| 105 | ) . ' AS languages', |
| 106 | $this->getDatabase()->buildGroupConcatField( |
| 107 | ',', |
| 108 | 'cn_notice_projects', |
| 109 | 'np_project', |
| 110 | 'np_notice_id = notices.not_id' |
| 111 | ) . ' AS projects', |
| 112 | ], |
| 113 | 'conds' => [], |
| 114 | ]; |
| 115 | |
| 116 | if ( $this->assignedBannerId ) { |
| 117 | // Query for only campaigns associated with a specific banner id. |
| 118 | $pagerQuery['tables']['assignments'] = 'cn_assignments'; |
| 119 | $pagerQuery['conds'] = [ |
| 120 | 'notices.not_id = assignments.not_id', |
| 121 | 'assignments.tmp_id = ' . (int)$this->assignedBannerId |
| 122 | ]; |
| 123 | } |
| 124 | |
| 125 | if ( $this->showArchived !== null ) { |
| 126 | $pagerQuery['conds'][] = 'not_archived = ' . (int)$this->showArchived; |
| 127 | } |
| 128 | |
| 129 | return $pagerQuery; |
| 130 | } |
| 131 | |
| 132 | public function doQuery() { |
| 133 | // group_concat output is limited to 1024 characters by default, increase |
| 134 | // the limit temporarily so the list of all languages can be rendered. |
| 135 | $db = $this->getDatabase(); |
| 136 | if ( $db instanceof IDatabase ) { |
| 137 | $db->setSessionOptions( [ 'groupConcatMaxLen' => 10000 ] ); |
| 138 | } |
| 139 | |
| 140 | parent::doQuery(); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * @inheritDoc |
| 145 | */ |
| 146 | public function getFieldNames() { |
| 147 | if ( !$this->fieldNames ) { |
| 148 | $this->fieldNames = [ |
| 149 | 'not_name' => $this->msg( 'centralnotice-notice-name' )->text(), |
| 150 | 'not_type' => $this->msg( 'centralnotice-campaign-type' )->text(), |
| 151 | 'projects' => $this->msg( 'centralnotice-projects' )->text(), |
| 152 | 'languages' => $this->msg( 'centralnotice-languages' )->text(), |
| 153 | 'location' => $this->msg( 'centralnotice-location' )->text(), |
| 154 | 'not_start' => $this->msg( 'centralnotice-start-timestamp' )->text(), |
| 155 | 'not_end' => $this->msg( 'centralnotice-end-timestamp' )->text(), |
| 156 | 'not_enabled' => $this->msg( 'centralnotice-enabled' )->text(), |
| 157 | 'not_preferred' => $this->msg( 'centralnotice-preferred' )->text(), |
| 158 | 'not_throttle' => $this->msg( 'centralnotice-throttle' )->text(), |
| 159 | 'not_locked' => $this->msg( 'centralnotice-locked' )->text(), |
| 160 | 'not_archived' => $this->msg( 'centralnotice-archive-campaign' )->text() |
| 161 | ]; |
| 162 | } |
| 163 | |
| 164 | return $this->fieldNames; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @inheritDoc |
| 169 | */ |
| 170 | public function getStartBody() { |
| 171 | $htmlOut = ''; |
| 172 | |
| 173 | $htmlOut .= Html::openElement( |
| 174 | 'fieldset', |
| 175 | [ |
| 176 | 'class' => 'prefsection', |
| 177 | 'id' => 'cn-campaign-pager', |
| 178 | 'data-editable' => ( $this->editable ? 1 : 0 ) |
| 179 | ] |
| 180 | ); |
| 181 | |
| 182 | return $htmlOut . parent::getStartBody(); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Format the data in the pager |
| 187 | * |
| 188 | * This calls a method which calls Language::listToText. Language |
| 189 | * uses ->escaped() messages for commas, so this triggers a double |
| 190 | * escape warning in phan. However in terms of double escaping, a |
| 191 | * comma message doesn't matter that much, and it would be difficult |
| 192 | * to avoid without rewriting how all these classes work, so we |
| 193 | * suppress this for now, and leave fixing it as a future FIXME. |
| 194 | * @suppress SecurityCheck-DoubleEscaped |
| 195 | * @param string $fieldName While field are we formatting |
| 196 | * @param string $value The value for the field |
| 197 | * @return string HTML |
| 198 | */ |
| 199 | public function formatValue( $fieldName, $value ) { |
| 200 | // These are used in a few cases below. |
| 201 | $rowIsEnabled = (bool)$this->mCurrentRow->not_enabled; |
| 202 | $rowIsLocked = (bool)$this->mCurrentRow->not_locked; |
| 203 | $rowIsArchived = (bool)$this->mCurrentRow->not_archived; |
| 204 | $name = $this->mCurrentRow->not_name; |
| 205 | $readonly = [ 'disabled' => 'disabled' ]; |
| 206 | |
| 207 | switch ( $fieldName ) { |
| 208 | case 'not_name': |
| 209 | $linkRenderer = $this->getLinkRenderer(); |
| 210 | return $linkRenderer->makeLink( |
| 211 | Campaign::getTitleForURL(), |
| 212 | $value, |
| 213 | [], |
| 214 | Campaign::getQueryForURL( $value ) |
| 215 | ); |
| 216 | |
| 217 | case 'not_type': |
| 218 | return $this->onSpecialCN->campaignTypeSelector( |
| 219 | $this->editable && !$rowIsLocked && !$rowIsArchived, |
| 220 | $value, |
| 221 | $name |
| 222 | ); |
| 223 | |
| 224 | case 'projects': |
| 225 | $p = explode( ',', $this->mCurrentRow->projects ); |
| 226 | return htmlspecialchars( $this->onSpecialCN->listProjects( $p ) ); |
| 227 | |
| 228 | case 'languages': |
| 229 | $l = explode( ',', $this->mCurrentRow->languages ); |
| 230 | return htmlspecialchars( $this->onSpecialCN->listLanguages( $l ) ); |
| 231 | |
| 232 | case 'location': |
| 233 | $countries = $this->mCurrentRow->countries |
| 234 | ? explode( ',', $this->mCurrentRow->countries ) |
| 235 | : []; |
| 236 | $regions = $this->mCurrentRow->regions |
| 237 | ? explode( ',', $this->mCurrentRow->regions ) |
| 238 | : []; |
| 239 | // if not geotargeted or no countries and regions chosen, show "all" |
| 240 | $emptyGeo = !$countries && !$regions; |
| 241 | if ( !$this->mCurrentRow->not_geo || $emptyGeo ) { |
| 242 | return $this->msg( 'centralnotice-all' )->text(); |
| 243 | } |
| 244 | |
| 245 | $list = $this->onSpecialCN->listCountriesRegions( $countries, $regions ); |
| 246 | |
| 247 | return htmlspecialchars( $list ); |
| 248 | |
| 249 | case 'not_start': |
| 250 | case 'not_end': |
| 251 | return date( '<\b>Y-m-d</\b> H:i', (int)wfTimestamp( TS_UNIX, $value ) ); |
| 252 | |
| 253 | // Note: Names of controls and data attributes must coordinate with |
| 254 | // ext.centralNotice.adminUi.campaignPager.js |
| 255 | |
| 256 | case 'not_enabled': |
| 257 | return Xml::check( |
| 258 | 'enabled', |
| 259 | $rowIsEnabled, |
| 260 | array_replace( |
| 261 | ( !$this->editable || $rowIsLocked || $rowIsArchived ) |
| 262 | ? $readonly : [], |
| 263 | [ |
| 264 | 'data-campaign-name' => $name, |
| 265 | 'data-initial-value' => $rowIsEnabled, |
| 266 | 'class' => 'noshiftselect mw-cn-input-check-sort' |
| 267 | ] |
| 268 | ) |
| 269 | ); |
| 270 | |
| 271 | case 'not_preferred': |
| 272 | return $this->onSpecialCN->prioritySelector( |
| 273 | $name, |
| 274 | $this->editable && !$rowIsLocked && !$rowIsArchived, |
| 275 | (int)$value |
| 276 | ); |
| 277 | |
| 278 | case 'not_throttle': |
| 279 | if ( $value < 100 ) { |
| 280 | return htmlspecialchars( $value . "%" ); |
| 281 | } else { |
| 282 | return ''; |
| 283 | } |
| 284 | |
| 285 | case 'not_locked': |
| 286 | return Xml::check( |
| 287 | 'locked', |
| 288 | $rowIsLocked, |
| 289 | array_replace( |
| 290 | // Note: Lockability should always be modifiable |
| 291 | // regardless of whether the camapgin is archived. |
| 292 | // Otherwise we create a dead-end state of locked and |
| 293 | // archived. |
| 294 | ( !$this->editable ) |
| 295 | ? $readonly : [], |
| 296 | [ |
| 297 | 'data-campaign-name' => $name, |
| 298 | 'data-initial-value' => $rowIsLocked, |
| 299 | 'class' => 'noshiftselect mw-cn-input-check-sort' |
| 300 | ] |
| 301 | ) |
| 302 | ); |
| 303 | |
| 304 | case 'not_archived': |
| 305 | return Xml::check( |
| 306 | 'archived', |
| 307 | $rowIsArchived, |
| 308 | array_replace( |
| 309 | ( !$this->editable || $rowIsLocked || $rowIsEnabled ) |
| 310 | ? $readonly : [], |
| 311 | [ |
| 312 | 'data-campaign-name' => $name, |
| 313 | 'data-initial-value' => $rowIsArchived, |
| 314 | 'class' => 'noshiftselect mw-cn-input-check-sort' |
| 315 | ] |
| 316 | ) |
| 317 | ); |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Set special CSS classes for active and archived campaigns. |
| 323 | * |
| 324 | * @inheritDoc |
| 325 | */ |
| 326 | public function getRowClass( $row ) { |
| 327 | $enabled = (bool)$row->not_enabled; |
| 328 | |
| 329 | $now = wfTimestamp(); |
| 330 | $started = $now >= wfTimestamp( TS_UNIX, $row->not_start ); |
| 331 | $notEnded = $now <= wfTimestamp( TS_UNIX, $row->not_end ); |
| 332 | |
| 333 | $cssClass = parent::getRowClass( $row ); |
| 334 | |
| 335 | if ( $enabled && $started && $notEnded ) { |
| 336 | $cssClass .= ' cn-active-campaign'; |
| 337 | } |
| 338 | |
| 339 | return $cssClass; |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * @inheritDoc |
| 344 | */ |
| 345 | public function getCellAttrs( $field, $value ) { |
| 346 | $attrs = parent::getCellAttrs( $field, $value ); |
| 347 | |
| 348 | switch ( $field ) { |
| 349 | case 'not_start': |
| 350 | case 'not_end': |
| 351 | // Set css class, or add to the class(es) set by parent |
| 352 | $attrs['class'] = ltrim( ( $attrs['class'] ?? '' ) . ' cn-date-column' ); |
| 353 | break; |
| 354 | |
| 355 | case 'not_enabled': |
| 356 | case 'not_preferred': |
| 357 | case 'not_throttle': |
| 358 | case 'not_locked': |
| 359 | case 'not_archived': |
| 360 | // These fields use the extra sort-value attribute for JS |
| 361 | // sorting. |
| 362 | $attrs['data-sort-value'] = $value; |
| 363 | } |
| 364 | |
| 365 | return $attrs; |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * @inheritDoc |
| 370 | */ |
| 371 | public function getEndBody() { |
| 372 | $htmlOut = ''; |
| 373 | |
| 374 | if ( $this->editable ) { |
| 375 | $htmlOut .= |
| 376 | Html::openElement( 'div', |
| 377 | [ 'class' => 'cn-buttons cn-formsection-emphasis' ] ); |
| 378 | |
| 379 | $htmlOut .= $this->onSpecialCN->makeSummaryField(); |
| 380 | |
| 381 | $htmlOut .= Xml::input( |
| 382 | 'centralnoticesubmit', |
| 383 | false, |
| 384 | $this->msg( 'centralnotice-modify' )->text(), |
| 385 | [ |
| 386 | 'type' => 'button', |
| 387 | 'id' => 'cn-campaign-pager-submit' |
| 388 | ] |
| 389 | ); |
| 390 | |
| 391 | $htmlOut .= Html::closeElement( 'div' ); |
| 392 | } |
| 393 | |
| 394 | $htmlOut .= Html::closeElement( 'fieldset' ); |
| 395 | |
| 396 | return parent::getEndBody() . $htmlOut; |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * @inheritDoc |
| 401 | */ |
| 402 | public function isFieldSortable( $field ) { |
| 403 | // If this is the only page shown, we'll sort via JS, which works on all |
| 404 | // columns. |
| 405 | if ( $this->isWithinLimit() ) { |
| 406 | return false; |
| 407 | } |
| 408 | |
| 409 | // Because of how paging works, it seems that only unique columns can be |
| 410 | // ordered if there's more than one page of results. |
| 411 | // TODO If paging is ever needed in the UI, it should be possible to |
| 412 | // partially address this by using the id as a secondary field for |
| 413 | // ordering and for the paging offset. Some fields still won't be |
| 414 | // sortable via the DB because of how values are munged in the UI (for |
| 415 | // example, "All" and "All except..." for languages and countries). |
| 416 | // If needed, filters could be added for such fields, though. |
| 417 | if ( $field === 'not_name' ) { |
| 418 | return true; |
| 419 | } |
| 420 | |
| 421 | return false; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * @inheritDoc |
| 426 | */ |
| 427 | public function getDefaultSort() { |
| 428 | return $this->assignedBannerId === null ? |
| 429 | 'not_id' : 'notices.not_id'; |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Returns true if this is the only page of results there is to show. |
| 434 | * @return bool |
| 435 | */ |
| 436 | private function isWithinLimit() { |
| 437 | return $this->mIsFirst && $this->mIsLast; |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * @inheritDoc |
| 442 | */ |
| 443 | public function extractResultInfo( $isFirst, $limit, IResultWrapper $res ) { |
| 444 | parent::extractResultInfo( $isFirst, $limit, $res ); |
| 445 | |
| 446 | // Disable editing if there's more than one page. (This is a legacy |
| 447 | // requirement; it might work even with paging now.) |
| 448 | if ( !$this->isWithinLimit() ) { |
| 449 | $this->editable = false; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * @inheritDoc |
| 455 | */ |
| 456 | public function getTableClass() { |
| 457 | $jsSortable = $this->isWithinLimit() ? ' sortable' : ''; |
| 458 | return parent::getTableClass() . ' wikitable' . $jsSortable; |
| 459 | } |
| 460 | } |